%0 Journal Article %A Mamoru Asada %T On Unramified Galois Extensions Over Maximum Abelian Extensions of Algebraic Number Fields. %J Mathematische Annalen %D 1985 %P 477-488 %V 270 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1985__270_182974/ %F MAN_1985__270_182974